Rain, mountain snow forecast for Southern California

KPCC & Wires

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Scattered showers, which will turn into snow at higher elevations, is entering Southern California Friday morning.

A slow moving storm is sliding down California Friday, and is also dropping temperatures across the region. A winter storm warning was issued for portions of Riverside and San Bernardino counties and snow is falling along Interstate 5 on the Grapevine, where a high wind advisory is also in effect, according to the California Highway Patrol.

In San Bernardino County, the CHP is requiring drivers to use chains on state Route 330.

Snow levels will hover around 4,500 feet Friday morning before falling to about 3,000 feet later in the day. The heaviest snowfall – as much as 10 inches in the higher elevation coastal slopes – is expected during the day Friday, according to NBC LA.